okraPDF
Host
Extract
Agents
MCP
Redact
Tools
Use cases
Document types
Blog
Dev Docs
okraPDF
Tools
Highlight PDF
Highlight text in PDF
Multiple highlight colors
Click and drag to highlight any text
100% in-browser — files never upload
Free, no signup
Related edit pdf tools
Add Watermark
Add Page Numbers
Bates Numbering
Redact PDF
Sign PDF
Crop Margins
Looking for the API?
This is the in-browser tool. For programmatic access, read the
developer docs
or
host & share a PDF
.